feat(editor): add gfx pointer extension (#12006)

<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit

- **New Features**
  - Introduced a new pointer graphics module with tools and quick tool integration for edgeless surfaces.
  - Added a quick tool button for pointer interactions in edgeless mode.
  - Exposed new extension points for pointer graphics and effects.

- **Improvements**
  - Integrated pointer graphics as a dependency into related packages.
  - Enhanced toolbar context to support additional surface alignment modes.
  - Added conditional clipboard configuration registrations for edgeless contexts across multiple block types.

- **Removals**
  - Removed legacy tool and effect definitions and related quick tool exports from edgeless components.
  - Streamlined extension arrays and removed unused exports for a cleaner codebase.
  - Deleted obsolete utility functions and component registrations.

- **Chores**
  - Updated workspace and TypeScript project references to include the new pointer graphics module.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->

blocksuite/affine/blocks/root/src/index.ts

@@ -1,3 +1,8 @@
+import type * as BrushEffect from '@blocksuite/affine-gfx-brush';
+import type * as NoteEffect from '@blocksuite/affine-gfx-note';
+import type * as PointerEffect from '@blocksuite/affine-gfx-pointer';
+import type * as ShapeEffect from '@blocksuite/affine-gfx-shape';
+
 export * from './adapters';
 export * from './clipboard/index.js';
 export * from './common-specs/index.js';
@@ -12,3 +17,9 @@ export { RootService } from './root-service.js';
 export * from './types.js';
 export * from './utils/index.js';
 export * from './widgets/index.js';
+
+declare type _GLOBAL_ =
+  | typeof PointerEffect
+  | typeof NoteEffect
+  | typeof BrushEffect
+  | typeof ShapeEffect;